4640650 has 24 divisors (see below), whose sum is σ = 9865440. Its totient is φ = 1590960.

The previous prime is 4640599. The next prime is 4640717. The reversal of 4640650 is 560464.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6280 + ... + 6979.

It is an arithmetic number, because the mean of its divisors is an integer number (411060).

Almost surely, 2^4640650 is an apocalyptic number.

4640650 is an abundant number, since it is smaller than the sum of its proper divisors (5224790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4640650 is a wasteful number, since it uses less digits than its factorization.

4640650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13278 (or 13273 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4640650 is about 2154.2167950325. The cubic root of 4640650 is about 166.7988063181.

The spelling of 4640650 in words is "four million, six hundred forty thousand, six hundred fifty".